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Finding the Fourth Proportional to 473.46, 653.30 and 263.58

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Solution

The fourth proportional to 473.46, 653.30 and 263.58 is: 363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.46 : 653.30 = 263.58 : x
  2. Step 2: Convert to fraction form
    473.46/653.30 = 263.58/x
  3. Step 3: Cross multiply
    473.46x = 653.30 × 263.58
  4. Step 4: Simplify right side
    473.46x = 172,196.81
  5. Step 5: Solve for x
    x = 172,196.81/473.46
  6. Step 6: Final answer
    x = 363.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.